Examples with ConnectionParameters io.fabric8.gateway.handlers.loadbalancer.ConnectionParameters used on opensource projects

Example 1 with ConnectionParameters

use of io.fabric8.gateway.handlers.loadbalancer.ConnectionParameters in project fabric8 by jboss-fuse.

the class StompProtocol method snoopConnectionParameters.

@Override
public void snoopConnectionParameters(final SocketWrapper socket, Buffer received, final Handler<ConnectionParameters> handler) {
    StompProtocolDecoder h = new StompProtocolDecoder(this);
    h.errorHandler(new Handler<String>() {

        @Override
        public void handle(String error) {
            LOG.info("STOMP protocol decoding error: " + error);
            socket.close();
        }
    });
    h.codecHandler(new Handler<StompFrame>() {

        @Override
        public void handle(StompFrame event) {
            if (event.action().equals(CONNECT) || event.action().equals(STOMP)) {
                ConnectionParameters parameters = new ConnectionParameters();
                parameters.protocolVirtualHost = event.getHeaderAsString(HOST);
                parameters.protocolUser = event.getHeaderAsString(USERID);
                parameters.protocolClientId = event.getHeaderAsString(CLIENT_ID);
                handler.handle(parameters);
            } else {
                LOG.info("Expected a CONNECT or STOMP frame");
                socket.close();
            }
        }
    });
    socket.readStream().dataHandler(h);
    h.handle(received);
}

Example 2 with ConnectionParameters

use of io.fabric8.gateway.handlers.loadbalancer.ConnectionParameters in project fabric8 by jboss-fuse.

the class MqttProtocol method snoopConnectionParameters.

@Override
public void snoopConnectionParameters(final SocketWrapper socket, final Buffer received, final Handler<ConnectionParameters> handler) {
    final MqttProtocolDecoder h = new MqttProtocolDecoder(this);
    h.errorHandler(new Handler<String>() {

        @Override
        public void handle(String error) {
            LOG.info("STOMP protocol decoding error: " + error);
            socket.close();
        }
    });
    h.codecHandler(new Handler<MQTTFrame>() {

        @Override
        public void handle(MQTTFrame event) {
            try {
                if (event.messageType() == org.fusesource.mqtt.codec.CONNECT.TYPE) {
                    CONNECT connect = new CONNECT().decode(event);
                    ConnectionParameters parameters = new ConnectionParameters();
                    if (connect.clientId() != null) {
                        parameters.protocolClientId = connect.clientId().toString();
                    }
                    if (connect.userName() != null) {
                        parameters.protocolUser = connect.userName().toString();
                        // containing the virtual host info.
                        if (parameters.protocolUser.contains("/")) {
                            // Strip off the virtual host part of the username..
                            String[] parts = parameters.protocolUser.split("/", 2);
                            parameters.protocolVirtualHost = parts[0];
                            parameters.protocolUser = parts[1];
                            // Update the connect frame to strip out the virtual host from the username field...
                            connect.userName(new UTF8Buffer(parameters.protocolUser));
                            // re-write the received buffer /w  the updated connect frame
                            Buffer tail = received.getBuffer((int) h.getBytesDecoded(), received.length());
                            BufferSupport.setLength(received, 0);
                            append(received, connect.encode());
                            received.appendBuffer(tail);
                        }
                    }
                    handler.handle(parameters);
                } else {
                    LOG.info("Expected a CONNECT frame");
                    socket.close();
                }
            } catch (java.net.ProtocolException e) {
                LOG.info("Invalid MQTT frame: " + e, e);
                socket.close();
            }
        }
    });
    socket.readStream().dataHandler(h);
    h.handle(received);
}

Example 3 with ConnectionParameters

use of io.fabric8.gateway.handlers.loadbalancer.ConnectionParameters in project fabric8 by jboss-fuse.

the class OpenwireProtocol method snoopConnectionParameters.

@Override
public void snoopConnectionParameters(final SocketWrapper socket, Buffer received, final Handler<ConnectionParameters> handler) {
    OpenwireProtocolDecoder h = new OpenwireProtocolDecoder(this);
    h.errorHandler(new Handler<String>() {

        @Override
        public void handle(String error) {
            LOG.info("Openwire protocol decoding error: " + error);
            socket.close();
        }
    });
    h.codecHandler(new Handler<Command>() {

        @Override
        public void handle(Command event) {
            if (event instanceof WireFormatInfo) {
                WireFormatInfo info = (WireFormatInfo) event;
                ConnectionParameters parameters = new ConnectionParameters();
                try {
                    parameters.protocolVirtualHost = info.getHost();
                } catch (IOException e) {
                    e.printStackTrace();
                }
                handler.handle(parameters);
            } else {
                LOG.info("Expected a WireFormatInfo frame");
                socket.close();
            }
        }
    });
    socket.readStream().dataHandler(h);
    h.handle(received);
}

Example 4 with ConnectionParameters

use of io.fabric8.gateway.handlers.loadbalancer.ConnectionParameters in project fabric8 by jboss-fuse.

the class DetectingGateway method handle.

public void handle(final SocketWrapper socket) {
    try {
        shutdownTracker.retain();
        if (!socketsConnecting.add(socket)) {
            throw new AssertionError("Socket existed in the socketsConnecting set");
        }
    } catch (Throwable e) {
        LOG.debug("Could not accept connection from: " + socket.remoteAddress(), e);
        socket.close();
        // shutdownTracker.release();
        return;
    }
    receivedConnectionAttempts.incrementAndGet();
    if (connectionTimeout > 0) {
        vertx.setTimer(connectionTimeout, new Handler<Long>() {

            public void handle(Long timerID) {
                if (socketsConnecting.contains(socket)) {
                    handleConnectFailure(socket, String.format("Gateway client '%s' protocol detection timeout.", socket.remoteAddress()));
                }
            }
        });
    }
    ReadStream<ReadStream> readStream = socket.readStream();
    readStream.exceptionHandler(new Handler<Throwable>() {

        @Override
        public void handle(Throwable e) {
            handleConnectFailure(socket, String.format("Failed to route gateway client '%s' due to: %s", socket.remoteAddress(), e));
        }
    });
    readStream.endHandler(new Handler<Void>() {

        @Override
        public void handle(Void event) {
            handleConnectFailure(socket, String.format("Gateway client '%s' closed the connection before it could be routed.", socket.remoteAddress()));
        }
    });
    readStream.dataHandler(new Handler<Buffer>() {

        Buffer received = new Buffer();

        {
            LOG.debug("Inititalized new Handler[{}] for socket: {}", this, socket.remoteAddress());
        }

        @Override
        public void handle(Buffer event) {
            received.appendBuffer(event);
            if (LOG.isTraceEnabled()) {
                LOG.trace("Socket received following data: {}", event.copy().toString().replaceAll("\r", " "));
                LOG.trace("Data handled by Handler {}", this.toString());
            }
            for (final Protocol protocol : protocols) {
                if (protocol.matches(received)) {
                    if ("ssl".equals(protocol.getProtocolName())) {
                        LOG.info(String.format("SSL Connection from '%s'", socket.remoteAddress()));
                        String disabledCypherSuites = null;
                        String enabledCipherSuites = null;
                        if (sslConfig != null) {
                            disabledCypherSuites = sslConfig.getDisabledCypherSuites();
                            enabledCipherSuites = sslConfig.getEnabledCipherSuites();
                        }
                        if (sslContext == null) {
                            try {
                                if (sslConfig != null) {
                                    sslContext = SSLContext.getInstance(sslConfig.getProtocol());
                                    sslContext.init(sslConfig.getKeyManagers(), sslConfig.getTrustManagers(), null);
                                } else {
                                    sslContext = SSLContext.getDefault();
                                }
                            } catch (Exception e) {
                                handleConnectFailure(socket, "Could initialize SSL: " + e);
                                return;
                            }
                        }
                        // lets wrap it up in a SslSocketWrapper.
                        SslSocketWrapper sslSocketWrapper = new SslSocketWrapper(socket);
                        sslSocketWrapper.putBackHeader(received);
                        sslSocketWrapper.initServer(sslContext, clientAuth, disabledCypherSuites, enabledCipherSuites);
                        // Undo initial connection accounting since we will be redoing @ the SSL level.
                        boolean removed = socketsConnecting.remove(socket);
                        assert removed;
                        receivedConnectionAttempts.decrementAndGet();
                        try {
                            DetectingGateway.this.handle(sslSocketWrapper);
                        } finally {
                            shutdownTracker.release();
                        }
                        return;
                    } else if ("http".equals(protocol.getProtocolName())) {
                        InetSocketAddress target = getHttpGateway();
                        if (target != null) {
                            try {
                                URI url = new URI("http://" + target.getHostString() + ":" + target.getPort());
                                LOG.info(String.format("Connecting '%s' to '%s:%d' using the http protocol", socket.remoteAddress(), url.getHost(), url.getPort()));
                                ConnectionParameters params = new ConnectionParameters();
                                params.protocol = "http";
                                createClient(params, socket, url, received);
                                return;
                            } catch (URISyntaxException e) {
                                handleConnectFailure(socket, "Could not build valid connect URI: " + e);
                                return;
                            }
                        } else {
                            handleConnectFailure(socket, "No http gateway available for the http protocol");
                            return;
                        }
                    } else {
                        protocol.snoopConnectionParameters(socket, received, new Handler<ConnectionParameters>() {

                            @Override
                            public void handle(ConnectionParameters connectionParameters) {
                                // this will install a new dataHandler on the socket.
                                if (connectionParameters.protocol == null)
                                    connectionParameters.protocol = protocol.getProtocolName();
                                if (connectionParameters.protocolSchemes == null)
                                    connectionParameters.protocolSchemes = protocol.getProtocolSchemes();
                                route(socket, connectionParameters, received);
                            }
                        });
                        return;
                    }
                }
            }
            if (received.length() >= maxProtocolIdentificationLength) {
                handleConnectFailure(socket, "Connection did not use one of the enabled protocols " + getProtocolNames());
            }
        }
    });
}

Example 5 with ConnectionParameters

use of io.fabric8.gateway.handlers.loadbalancer.ConnectionParameters in project fabric8 by jboss-fuse.

the class DetectingGateway method route.

public void route(final SocketWrapper socket, ConnectionParameters params, final Buffer received) {
    NetClient client = null;
    if (params.protocolVirtualHost == null) {
        params.protocolVirtualHost = defaultVirtualHost;
    }
    HashSet<String> schemes = new HashSet<String>(Arrays.asList(params.protocolSchemes));
    if (params.protocolVirtualHost != null) {
        List<ServiceDetails> services = serviceMap.getServices(params.protocolVirtualHost);
        // Lets try again with the defaultVirtualHost
        if (services.isEmpty() && !params.protocolVirtualHost.equals(defaultVirtualHost)) {
            params.protocolVirtualHost = defaultVirtualHost;
            services = serviceMap.getServices(params.protocolVirtualHost);
        }
        LOG.debug(String.format("%d services match the virtual host", services.size()));
        if (!services.isEmpty()) {
            ClientRequestFacade clientRequestFacade = clientRequestFacadeFactory.create(socket, params);
            ServiceDetails serviceDetails = serviceLoadBalancer.choose(services, clientRequestFacade);
            if (serviceDetails != null) {
                List<String> urlStrings = serviceDetails.getServices();
                LOG.debug("Selected service exposes the following URLS: {}", urlStrings);
                for (String urlString : urlStrings) {
                    if (Strings.notEmpty(urlString)) {
                        // lets create a client for this request...
                        try {
                            URI uri = new URI(urlString);
                            // URL url = new URL(urlString);
                            String urlProtocol = uri.getScheme();
                            if (schemes.contains(urlProtocol)) {
                                if (!socket.remoteAddress().toString().equals(clientRequestFacade.getClientRequestKey())) {
                                    LOG.info(String.format("Connecting client from '%s' (with key '%s') requesting virtual host '%s' to '%s:%d' using the %s protocol", socket.remoteAddress(), clientRequestFacade.getClientRequestKey(), params.protocolVirtualHost, uri.getHost(), uri.getPort(), params.protocol));
                                } else {
                                    LOG.info(String.format("Connecting client from '%s' requesting virtual host '%s' to '%s:%d' using the %s protocol", socket.remoteAddress(), params.protocolVirtualHost, uri.getHost(), uri.getPort(), params.protocol));
                                }
                                client = createClient(params, socket, uri, received);
                                break;
                            }
                        } catch (URISyntaxException e) {
                            LOG.warn("Failed to parse URI: " + urlString + ". " + e, e);
                        }
                    }
                }
            }
        }
    }
    if (client == null) {
        // failed to route
        handleConnectFailure(socket, String.format("No endpoint available for virtual host '%s' and protocol %s", params.protocolVirtualHost, params.protocol));
    }
}